//
//  UIColor+Extension.swift
//  Floral
//
//  Created by ALin on 16/4/26.
//  Copyright © 2016年 ALin. All rights reserved.
//

import UIKit

extension CALayer {
    @IBInspectable
    var borderUIColor: UIColor {
        get {
            return UIColor(cgColor: self.borderColor!)
        }
        set {
            self.borderColor = newValue.cgColor
        }
    }
}


extension UIColor
{
    /**
     根据RGB生成颜色
     
     - parameter r: red
     - parameter g: green
     - parameter b: blue
     
     - returns: 颜色
     */
//    convenience init(r: CGFloat, g: CGFloat, b: CGFloat) {
//        self.init(red: r/255.0, green: g/255.0, blue: b/255.0, alpha: 1)
//    }
    
    /**
     根据RGB生成颜色
     
     - parameter r: red
     - parameter g: green
     - parameter b: blue
     - parameter alpha: 透明度
     
     - returns: 颜色
     */
//    convenience init(r: CGFloat, g: CGFloat, b: CGFloat, alpha: CGFloat) {
//        self.init(red: r/255.0, green: g/255.0, blue: b/255.0, alpha: alpha)
//    }
    
    /**
     生成灰色
     
     - parameter gray: 灰色
     
     - returns: 颜色
     */
    convenience init(gray: CGFloat) {
        self.init(red: gray/255.0, green: gray/255.0, blue: gray/255.0, alpha: 1)
    }
    
    class func rgbaColorFromHex(_ rgb:Int, alpha: CGFloat) ->UIColor {
        
        return UIColor(red: ((CGFloat)((rgb & 0xFF0000) >> 16)) / 255.0,
                       green: ((CGFloat)((rgb & 0xFF00) >> 8)) / 255.0,
                       blue: ((CGFloat)(rgb & 0xFF)) / 255.0,
                       alpha: alpha)
    }
    
    class func rgbColorFromHex(_ rgb:Int) ->UIColor {
        
        return UIColor(red: ((CGFloat)((rgb & 0xFF0000) >> 16)) / 255.0,
                       green: ((CGFloat)((rgb & 0xFF00) >> 8)) / 255.0,
                       blue: ((CGFloat)(rgb & 0xFF)) / 255.0,
                       alpha: 1.0)
    }

    func trans2Image() -> UIImage {
        let rect = CGRect(x: 0, y: 0, width: 1.0, height: 1.0)
        UIGraphicsBeginImageContext(rect.size)
        let context = UIGraphicsGetCurrentContext()
        context?.setFillColor(self.cgColor)
        context?.fill(rect)
        let theImage = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return theImage ?? UIImage()
    }
    
    
//    @objc func hexStringToColor(hexString: String) -> UIColor{
//        var cString: String = hexString.trimmingCharacters(in: NSCharacterSet.whitespacesAndNewlines)
//        if cString.characters.count < 6 { return UIColor.black }
//        if cString.hasPrefix("0X") {cString = cString.substring(from: cString.index(cString.startIndex, offsetBy: 2))}
//        if cString.hasPrefix("#") {cString = cString.substring(from: cString.index(cString.startIndex, offsetBy: 1))}
//        if cString.characters.count != 6 {return UIColor.black}
//        var range: NSRange = NSMakeRange(0, 2)
//        let rString = (cString as NSString).substring(with: range)
//        range.location = 2
//        let gString = (cString as NSString).substring(with: range)
//        range.location = 4
//        let bString = (cString as NSString).substring(with: range)
//        
//        var r: UInt32 = 0x0
//        var g: UInt32 = 0x0
//        var b: UInt32 = 0x0
//        Scanner.init(string: rString).scanHexInt32(&r)
//        Scanner.init(string: gString).scanHexInt32(&g)
//        Scanner.init(string: bString).scanHexInt32(&b)
//        
//        return UIColor(red: CGFloat(r)/255.0, green: CGFloat(g)/255.0, blue: CGFloat(b)/255.0, alpha: CGFloat(1))
//        
//    }
    
    
}